Introduction to Momentum Indicators
Momentum indicators are tools that help investors measure the speed and strength of a price movement.
Just like a car moving fast has momentum, a stock with strong buying (or selling) pressure is said to have momentum.
These indicators help answer questions like:
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Is the stock overbought or oversold?
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Is the trend gaining strength or weakening?
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Might the price be about to reverse direction?
Momentum indicators are especially useful when combined with:
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Trendlines
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Moving averages
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Support and resistance
Common Momentum Indicators
Here are three of the most widely used momentum indicators:
1. RSI – Relative Strength Index
RSI measures how fast and how far a stock has moved recently.
Scale: 0 to 100
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Above 70 = Stock is overbought (may fall soon)
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Below 30 = Stock is oversold (may rise soon)
Typical Use:
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Spot possible reversals
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Confirm price momentum in trends
RSI works best in ranging or sideways markets, and can also confirm bullish or bearish divergences.
2. MACD – Moving Average Convergence Divergence
MACD tracks changes in momentum using two moving averages.
It has 3 main parts:
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MACD Line: Difference between two EMAs (usually 12-day and 26-day)
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Signal Line: 9-day EMA of the MACD Line
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Histogram: Shows the difference between the MACD Line and Signal Line
Buy Signal: MACD Line crosses above Signal Line
Sell Signal: MACD Line crosses below Signal Line
MACD is helpful for spotting trend reversals and momentum shifts — especially after strong price moves.
3. Stochastic Oscillator
This indicator compares a stock’s current price to its range over a set time period.
Like RSI, it ranges from 0 to 100:
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Above 80 = Overbought
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Below 20 = Oversold
It uses two lines — %K and %D — and signals are generated when they cross each other.
Often used in short-term trading, especially in sideways markets.
How Momentum Indicators Help Traders
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Spot entry and exit points
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Confirm or challenge price trends
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Identify early signs of reversals
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Gauge if a stock is too hot or too cold (overbought/oversold)
But remember: momentum doesn’t always equal direction — a stock can be overbought and still go higher!
Combining Momentum with Other Tools
Momentum indicators work best when used with other tools, such as:
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Price action
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Trendlines and moving averages
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Volume analysis
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Support and resistance
Example strategy:
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Stock breaks out above resistance
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RSI confirms strong momentum
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MACD crossover supports the move
→ This gives a higher confidence buy signal
Summary
Momentum indicators are designed to show how strong or weak a price move is, helping investors:
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Spot reversals
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Confirm trends
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Identify high-probability entry points
Key indicators:
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RSI: Overbought/oversold
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MACD: Trend and momentum shifts
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Stochastic Oscillator: Short-term price extremes
Used correctly, momentum indicators can add an extra layer of timing and confidence to your trading strategy.